Home / 1,823,505.21-2,516,223.08-1,007,660.25

Finding the Fourth Proportional to 1,823,505.21, 2,516,223.08 and 1,007,660.25

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Solution

The fourth proportional to 1,823,505.21, 2,516,223.08 and 1,007,660.25 is: 1,390,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823,505.21 : 2,516,223.08 = 1,007,660.25 : x
  2. Step 2: Convert to fraction form
    1,823,505.21/2,516,223.08 = 1,007,660.25/x
  3. Step 3: Cross multiply
    1,823,505.21x = 2,516,223.08 × 1,007,660.25
  4. Step 4: Simplify right side
    1,823,505.21x = 2,535,497,980,367.72
  5. Step 5: Solve for x
    x = 2,535,497,980,367.72/1,823,505.21
  6. Step 6: Final answer
    x = 1,390,452.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.